PPAI in YWDZ Main products Professional 1 manufacturers.<br />1 In the production of PPAI , numerous standards are concerned to ensure its quality. These standards are EN 527, EN 581, EN 1335, DIN 4551, and so forth. <br />The product uses no electricity. It is 100% off grid and effectively reduces the electricity demand by up to 100% during the day and night. 1<br />Its quality is guaranteed to comply with the requirements of ISO 9001.
